Concept definition of stock time-sharing energy analysis

Before starting this series of "Energy tracing", you need to explain some simple concepts. For detailed principles and causes, please refer to Tang nengtong <short-term is silver> series.
The detailed data of time-sharing transactions is obtained by tddl and compass, which may be <2% different from the data of your quote software.

Buy a disk: an external disk, which is the Commission for selling a transaction. Unit: shares
Sell: refers to the internal disk, which is the Commission for buying a transaction. Unit: shares
Circulation Disk: number of recently disclosed A-share circulation disks. Unit: shares
Transaction amount: Number of single transactions * the transaction amount
Large Ticket: the transaction amount is more than 1 million or (the transaction amount is more than 0.7 million & the number of transactions is more than 500 million)
Sandbox: Sandbox data of the previous day + (total number of disk shares purchased on the current day-Total number of disk shares sold on the current day)/circulation of the Stock
Lingwen ranking: Data in the previous day's lingwen listing + (total disk purchase amount on the current day-total disk sales amount on the current day)
Zero Drift: (total disk sales amount on the current day-total disk sales amount on the current day)/(total disk sales amount on the current day + total disk sales amount on the current day)

Software can refer to another blog: http://www.cnblogs.com/crabo/archive/2007/12/29/1020035.html